On Thu, 24 Dec 2020 at 17:24, Brian M. Sperlongano <zelonew...@gmail.com> wrote:
> > Should quarry lakes be tagged under a separate value from water=lake? > If they should, then you have to consider that some of them may be ponds. If there is consensus that quarry lakes should be excluded from water=lake, > obviously that impacts how water=lake is defined. > It can be hard to know if a pond/lake is the result of quarrying or not. it depends upon knowing the history of an area. For the distant past such information may not be available. So subtagging with lake=quarry and pond=quarry may be the way to go - it can be added if known or if such information arises later. The Norfolk Broads were long regarded as natural, until it was proven in the 1960s that they were excavated in the Middle Ages and later flooded by rising sea levels. The question arises as to whether or not peat workings qualify as quarries. The Norfolk Broads were peat workings that later flooded. https://en.wikipedia.org/wiki/The_Broads -- Paul
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